4 ms·Is this caused by natural selection, or are they smart enough to do this intentionally?by cambaceres 8y agoIs this caused by natural selection, or are they smart enough to do this intentionally?8bitsrule 8y agoThey're just copying their masters.mikestew 8y ago"My hyper-sensitive nose tells me the place to pee is way up there. How can I get my urine way up there?" Don't attribute to evolutionary pressure something that even a pit bull could figure out.